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484 questions

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50k
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2
answers
13
votes
2019-02-22 04:30:42 -0500 hunter3

How to get and modify the pixel of Mat in Java?

39k
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1
answer
9
votes
2013-11-03 09:19:07 -0500 Jose Luis Blanco

Any way to convert IplImage* to cv::Mat in OpenCV 3.0.0?

68k
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2
answers
7
votes
2012-10-31 21:29:11 -0500 unxnut flag of United States of America

subtract from white - invert

15k
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4
answers
6
votes
2013-10-17 01:42:12 -0500 Michael Burdinov

Best way to apply a function to each element of Mat.

231
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2
answers
5
votes
2012-09-13 05:09:27 -0500 Michael Burdinov

Can I perform nested operations with the Mat object?

1k
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3
answers
5
votes
2014-10-09 01:53:13 -0500 xhpohanka

Missing Mat::zeros(int ndims, const int* sz, int type)

80k
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1
answer
5
votes
2013-03-29 10:05:41 -0500 StevenPuttemans flag of Belgium

set ROI in cv::Mat

58k
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4
answers
4
votes
2012-12-05 07:11:04 -0500 wuling flag of Taiwan

Mat to byte array

10k
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2
answers
4
votes
2013-02-28 02:30:23 -0500 SR

Using external image data in a cv::Mat

16k
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2
answers
3
votes
2012-07-12 22:40:21 -0500 Niu ZhiHeng

How to add 2 Mat objects of different type?

1k
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1
answer
3
votes
2012-07-19 06:49:54 -0500 sammy

Is there penalty for reference counting in Mat?

3k
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1
answer
3
votes
2012-10-31 14:41:51 -0500 Maria Dimashova

convert from vector to Mat

66k
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2
answers
3
votes
2012-11-21 20:11:39 -0500 Martin Peris

How to create a binary image mat?

13k
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5
answers
3
votes
2018-08-09 05:23:41 -0500 sturkmen flag of Turkey

cv::Mat serialization to binary file

2k
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2
answers
3
votes
2013-05-30 03:22:08 -0500 berak

How to know if two Mat point to the same data?

43k
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1
answer
3
votes
2013-07-09 02:27:57 -0500 jbseano

How to use Mat.at<Internal type>(i,j)?

274
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1
answer
3
votes
2013-12-02 07:14:20 -0500 Michael Burdinov

Do we need to optimize matrix operation of cv::Mat?

2k
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1
answer
2
votes
2012-09-04 04:48:58 -0500 Vladislav Vinogradov flag of Russia

Mat element access

4k
views
1
answer
2
votes
2012-09-04 10:19:25 -0500 Andrey Pavlenko

How to update Mat with multiple channels?

320
views
1
answer
2
votes
2012-09-05 03:56:59 -0500 Vladislav Vinogradov flag of Russia

Video element access

317
views
1
answer
2
votes
2012-09-14 01:57:34 -0500 Andrey Pavlenko

Why is my call to putText creating a wavy image of lines?

8k
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2
answers
2
votes
2013-03-11 05:53:09 -0500 Andrey Pavlenko

Convert Mat to MatOfByte in Android

1k
views
no
answers
2
votes
2012-10-12 01:57:47 -0500 Harsha

How to display 3D images in openCV

Contributors

Mostafa Sataki gravatar imageAndrey Pavlenko gravatar imageyes123 gravatar imageAlexander Smorkalov gravatar imageRui Marques gravatar imageicedecker gravatar imageMaria Dimashova gravatar imagejayrambhia gravatar imageSimone gravatar imageMichael Burdinov gravatar imageNiu ZhiHeng gravatar imageyiannis gravatar imageMartin Peris gravatar imagesammy gravatar imageIlya Lysenkov gravatar imageKirill Kornyakov gravatar image